49 lines
1.9 KiB
Python
Executable file
49 lines
1.9 KiB
Python
Executable file
#!/usr/bin/env python
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from ctypes import CDLL, POINTER, c_void_p, Structure, c_uint8, c_size_t, cast, addressof
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import numpy as np
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from itertools import product
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from matelight import sendframe, DISPLAY_WIDTH, DISPLAY_HEIGHT
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from terminal import printframe
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class COLOR(Structure):
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_fields_ = [('r', c_uint8), ('g', c_uint8), ('b', c_uint8), ('a', c_uint8)]
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class FRAMEBUFFER(Structure):
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_fields_ = [('data', POINTER(COLOR)), ('w', c_size_t), ('h', c_size_t)]
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bdf = CDLL('./libbdf.so')
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bdf.read_bdf_file.restype = c_void_p
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bdf.framebuffer_render_text.restype = POINTER(FRAMEBUFFER)
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unifont = bdf.read_bdf_file('unifont.bdf')
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def render_text(text):
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assert unifont
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fb = bdf.framebuffer_render_text(bytes(str(text), 'UTF-8'), unifont)
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fbd = fb.contents
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buf = np.ctypeslib.as_array(cast(fbd.data, POINTER(c_uint8)), shape=(fbd.h, fbd.w, 4))
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# Set data pointer to NULL before freeing framebuffer struct to prevent free_framebuffer from also freeing the data
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# buffer that is now used by numpy
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#bdf.console_render_buffer(fb)
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fbd.data = cast(c_void_p(), POINTER(COLOR))
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bdf.free_framebuffer(fb)
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return buf
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def printframe(fb):
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h,w,_ = fb.shape
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print('\033[H\033[2J')
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bdf.console_render_buffer(fb.ctypes.data_as(POINTER(c_uint8)), w, h)
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if __name__ == '__main__':
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fb = render_text('\033[31;48;5;167;4;6mfoo\033[0;91mbar\033[93;106;5mbaz\033[0m\033[0;94;6m♥♥♥');
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h,w,_ = fb.shape
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for i in range(-DISPLAY_WIDTH,w+1):
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leftpad = np.zeros((DISPLAY_HEIGHT, max(-i, 0), 4), dtype=np.uint8)
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framedata = fb[:, max(0, i):min(i+DISPLAY_WIDTH, w)]
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rightpad = np.zeros((DISPLAY_HEIGHT, min(DISPLAY_WIDTH, max(0, i+DISPLAY_WIDTH-w)), 4), dtype=np.uint8)
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dice = np.concatenate((leftpad, framedata, rightpad), 1)
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sendframe(dice)
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printframe(dice)
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fb = render_text('\033[31;48;5;167;4;6mfoo\033[0;91mbar\033[93;106;5mbaz\033[0m\033[0;94;6m♥♥♥');
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